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Grade 5 Chapter 7
vocabulary for chapter 7, grade 5
| Question | Answer |
|---|---|
| core | Earth's innermost structure |
| crust | thin, nearly solid rock layer that is uppermost in Earth's structure |
| dome mountains | mountains that form when magma pushes up on Earth's crust but does not break through |
| earthquake | violent shaking of Earth's crust as built-up energy is released |
| epicenter | point on Earth's surface directly above the focus of an earthquake |
| fault | crack in Earth's crust along which movement takes place |
| fault-block mountains | mountains that form along fault lines where blocks of rock fall, are thrust up, or slide |
| focus | point underground where the faulting in an earthquake occurs |
| fold mountains | mountains that form where two plates collide and force layers of rock into folds |
| lithosphere | area where Earth's solid upper mantle and crust combine to form a shell |
| magma | melted rock below Earth's surface: called lava at the surface |
| mantle | thick layer of Earth's structure just below Earth's crust |
| plate tectonics | idea that giant plates of rock are moving slowly across Earth's surface |
| seismic waves | shock waves of energy sent through Earth's crust when plates move suddenly |
| volcano | opening in Earth's surface through which melted rock, hot gases, rock fragments, and ash burst forth, or erupt |
Created by:
pjkk
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